:root {
    --primary: #6c5ce7;
    --primary-light: #a29bfe;
    --primary-soft: #f0edff;
    --primary-glow: rgba(108, 92, 231, 0.25);
    --edit: #fab1a0;
    --edit-soft: #fff2f0;
    --edit-glow: rgba(250, 177, 160, 0.25);
    --delete: #ff7675;
    --delete-soft: #fff5f5;
    --delete-glow: rgba(255, 118, 117, 0.25);
    --success: #00b894;
    --success-glow: rgba(0, 184, 148, 0.3);
    --glass: rgba(255, 255, 255, 0.85);
    --glass-heavy: rgba(255, 255, 255, 0.95);
    --text: #2d3436;
    --text-light: #636e72;
    --text-lighter: #b2bec3;
    --white: #ffffff;
    --shadow-xs: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 5px 20px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 12px 35px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 35px 80px rgba(0, 0, 0, 0.2);
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --bounce: 0.4s cubic-bezier(0.17, 0.89, 0.32, 1.28);
    --font-xs: 0.7rem;
    --font-sm: 0.8rem;
    --font-base: 0.95rem;
    --font-lg: 1.1rem;
    --font-xl: 1.3rem;
    --font-2xl: 1.7rem;
}

/* ============ RESET & BASE ============ */
*,
*::before,
*::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 20s ease infinite;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: max(20px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    25% {
        background-position: 100% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    75% {
        background-position: 0% 100%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-full);
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.22);
}

/* ============ SELECTION ============ */
::selection {
    background: var(--primary);
    color: white;
}

/* ============ CONTAINER ============ */
.container {
    width: 100%;
    max-width: 580px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ============ HEADER SECTION ============ */
.header-section {
    background: var(--glass);
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.4);
    position: relative;
z-index: 10;
    transition: var(--transition);
}

.header-section:has(input:focus) {
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-2px);
}

h2 {
    text-align: center;
    margin: 0 0 22px 0;
    color: var(--primary);
    font-weight: 900;
    font-size: var(--font-2xl);
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    width: 100%;
}

h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--edit));
    margin: 10px auto 0;
    border-radius: var(--radius-full);
}

/* ============ INPUT GROUP ============ */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

input {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.7);
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text);
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

input:hover {
    border-color: rgba(0, 0, 0, 0.12);
    background: rgba(255, 255, 255, 0.85);
}

input:focus {
    background: var(--white);
    border-color: var(--primary-light);
    box-shadow: 0 0 0 5px var(--primary-glow);
    transform: translateY(-1px);
}

input::placeholder {
    color: var(--text-lighter);
    opacity: 1;
}

input[type="date"] {
    color-scheme: light;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    min-height: 50px;
}

/* ============ PLAN ITEM ============ */
.plan-item {
    background: var(--glass);
    padding: 22px 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    animation: cardSlideIn 0.5s cubic-bezier(0.17, 0.89, 0.32, 1.28) both;
    position: relative;
    overflow: hidden;
}

.plan-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--edit), transparent);
    opacity: 0;
    transition: var(--transition);
}

.plan-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(108, 92, 231, 0.2);
}

.plan-item:hover::before {
    opacity: 1;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.plan-item b {
    font-size: var(--font-lg);
    color: var(--text);
    margin-bottom: 6px;
    display: block;
    font-weight: 700;
    line-height: 1.4;
}

/* ============ DATE INFO ============ */
.date-info {
    font-size: var(--font-xs);
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 14px;
    background: var(--primary-soft);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid rgba(108, 92, 231, 0.1);
}

/* ============ PHOTO ============ */
.photo-container {
    width: 100%;
    margin: 10px 0 14px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 3px solid var(--white);
    aspect-ratio: 16/9;
    cursor: pointer;
    background: #f0f0f5;
    box-shadow: var(--shadow-xs);
    transition: var(--transition);
    position: relative;
}

.photo-container::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2.5rem;
    opacity: 0;
    transition: var(--bounce);
    pointer-events: none;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.photo-container:hover::after {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.photo-container:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.photo-container:active {
    transform: scale(0.98);
}

.plan-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition-slow);
}

.photo-container:hover .plan-photo {
    transform: scale(1.05);
}

/* ============ COMMENT SECTION ============ */
.comment-section {
    background: rgba(0, 0, 0, 0.015);
    border-radius: var(--radius);
    padding: 14px;
    margin: 14px 0;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 6px;
    scroll-behavior: smooth;
}

/* ============ BUBBLES ============ */
.bubble {
    max-width: 88%;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: var(--font-base);
    word-wrap: break-word;
    overflow-wrap: break-word;
    position: relative;
    animation: bubbleIn 0.3s cubic-bezier(0.17, 0.89, 0.32, 1.28) both;
    transition: var(--transition-fast);
}

@keyframes bubbleIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.bubble:hover {
    transform: translateY(-1px);
}

.bubble-A {
    align-self: flex-start;
    background: linear-gradient(135deg, var(--primary), #7c6ff7);
    color: white;
    border-bottom-left-radius: var(--radius-xs);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.bubble-R {
    align-self: flex-end;
    background: linear-gradient(135deg, #fff5f3, #ffe8e4);
    color: var(--text);
    border-bottom-right-radius: var(--radius-xs);
    box-shadow: 0 4px 15px var(--edit-glow);
    border: 1px solid rgba(250, 177, 160, 0.2);
}

.bubble small {
    display: block;
    font-size: var(--font-xs);
    font-weight: 800;
    margin-bottom: 4px;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

/* ============ NICK SELECTOR ============ */
.nick-selector {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 12px;
}

.n-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2.5px solid rgba(0, 0, 0, 0.06);
    background: var(--white);
    font-weight: 900;
    cursor: pointer;
    font-size: var(--font-base);
    color: var(--text-lighter);
    transition: var(--bounce);
    position: relative;
    overflow: hidden;
}

.n-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.n-btn:hover {
    border-color: #ccc;
    transform: scale(1.08);
}

.n-btn:active {
    transform: scale(0.92);
}

.n-btn.active-A {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
    transform: scale(1.12);
    box-shadow: 0 5px 20px var(--primary-glow);
    animation: pulse 0.6s cubic-bezier(0.17, 0.89, 0.32, 1.28);
}

.n-btn.active-R {
    border-color: var(--edit);
    color: #e17055;
    background: var(--edit-soft);
    transform: scale(1.12);
    box-shadow: 0 5px 20px var(--edit-glow);
    animation: pulse 0.6s cubic-bezier(0.17, 0.89, 0.32, 1.28);
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    40% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1.12);
    }
}

/* ============ SEND BOX ============ */
.send-box {
    display: flex;
    gap: 10px;
}

.send-box input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: var(--font-base);
    border: 1.5px solid rgba(0, 0, 0, 0.06);
    background: var(--white);
    transition: var(--transition);
}

.send-box input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.send-box button {
    background: linear-gradient(135deg, var(--primary), #7c6ff7);
    border: none;
    color: white;
    border-radius: var(--radius);
    padding: 0 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.send-box button:hover:not(:disabled) {
    background: linear-gradient(135deg, #5b4bc4, #6c5ce7);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.send-box button:active:not(:disabled) {
    transform: scale(0.94);
}

.send-box button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}

/* ============ ACTION BUTTONS ============ */
.action-btns {
    display: flex;
    gap: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    padding-top: 16px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.action-btns button {
    flex: 1;
    min-width: 70px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: none;
    font-weight: 700;
    cursor: pointer;
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.action-btns button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: var(--transition);
    border-radius: inherit;
}

.action-btns button:hover::after {
    background: rgba(255, 255, 255, 0.3);
}

.action-btns button:active {
    transform: scale(0.94);
}

.btn-photo {
    background: #e8f4ff !important;
    color: #0070e0 !important;
}

.btn-photo:hover {
    background: #d0e8ff !important;
    box-shadow: 0 5px 15px rgba(0, 122, 255, 0.2);
}

.btn-edit {
    background: #f0edff !important;
    color: var(--primary) !important;
}

.btn-edit:hover {
    background: #e4ddff !important;
    box-shadow: 0 5px 15px var(--primary-glow);
}

.btn-delete {
    background: #fff0f0 !important;
    color: var(--delete) !important;
}

.btn-delete:hover {
    background: #ffe0e0 !important;
    box-shadow: 0 5px 15px var(--delete-glow);
}

/* ============ MAIN BUTTONS ============ */
.add-btn {
    background: linear-gradient(135deg, var(--primary), #7c6ff7);
    color: white;
    height: 52px;
    border-radius: var(--radius);
    border: none;
    font-weight: 800;
    cursor: pointer;
    font-size: var(--font-base);
    letter-spacing: 0.3px;
    box-shadow: 0 5px 20px var(--primary-glow);
    transition: var(--transition);
}

.add-btn:hover {
    background: linear-gradient(135deg, #5b4bc4, #6c5ce7);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

.add-btn:active {
    transform: scale(0.96);
}

.update-btn {
    background: linear-gradient(135deg, var(--edit), #fab1a0);
    color: white;
    height: 52px;
    border-radius: var(--radius);
    border: none;
    font-weight: 800;
    display: none;
    cursor: pointer;
    font-size: var(--font-base);
    box-shadow: 0 5px 20px var(--edit-glow);
    transition: var(--transition);
}

.update-btn:hover {
    background: linear-gradient(135deg, #f59e8a, #fab1a0);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--edit-glow);
}

.cancel-btn {
    background: #f1f2f6;
    color: var(--text);
    height: 52px;
    border-radius: var(--radius);
    border: none;
    display: none;
    cursor: pointer;
    font-weight: 700;
    font-size: var(--font-base);
    transition: var(--transition);
}

.cancel-btn:hover {
    background: #e4e6eb;
    transform: translateY(-2px);
}

/* ============ MONTH HEADER ============ */
.month-header {
    background: var(--glass-heavy);
    padding: 16px 22px;
    border-radius: var(--radius);
    font-weight: 800;
    margin-bottom: 12px;
    border-left: 6px solid var(--primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    box-shadow: var(--shadow-xs);
    transition: var(--transition);
    font-size: var(--font-base);
}

.month-header:hover {
    background: var(--white);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
    border-left-width: 8px;
}

.month-header:active {
    transform: scale(0.98);
}

.month-header span:last-child {
    font-size: 1.4rem;
    color: var(--primary);
    transition: var(--bounce);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-soft);
    flex-shrink: 0;
}

.collapsed {
    display: none;
}

/* ============ TOAST ============ */
.toast-msg {
    position: fixed;
    top: 25px;
    left: 50%;
    transform: translateX(-50%) translateY(-140px);
    background: var(--white);
    color: var(--text);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-sm);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, 0.05);
    z-index: 9999;
    border-left: 4px solid var(--success);
    transition: transform var(--bounce);
    white-space: nowrap;
    pointer-events: none;
}

.toast-msg.show {
    transform: translateX(-50%) translateY(0);
}

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
    padding: 20px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.confirm-box {
    background: var(--white);
    padding: 34px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    width: 100%;
    max-width: 350px;
    box-shadow: var(--shadow-xl);
    animation: modalPop 0.4s cubic-bezier(0.17, 0.89, 0.32, 1.28);
    /* Edit Modal Input */
#editPlanInput:focus {
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 4px var(--primary-glow) !important;
}
}

@keyframes modalPop {
    from {
        transform: scale(0.8) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.confirm-box button {
    font-family: inherit;
    transition: var(--transition);
    cursor: pointer;
}

.confirm-box button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ============ ERROR MESSAGE ============ */
.error-message {
    background: var(--delete-soft);
    color: #ff5252;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    margin: 10px 0;
    display: none;
    border-left: 4px solid var(--delete);
    font-weight: 600;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-8px);
    }
    40% {
        transform: translateX(8px);
    }
    60% {
        transform: translateX(-4px);
    }
    80% {
        transform: translateX(4px);
    }
}

/* ============ LOADING STATES ============ */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.4);
    border-radius: inherit;
}

/* ============ FOCUS VISIBLE ============ */
:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 3px;
    border-radius: var(--radius-xs);
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* ============ RESPONSIVE: Tablet (481px - 768px) ============ */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 520px;
    }

    .header-section {
        padding: 24px 20px;
    }

    h2 {
        font-size: 1.5rem;
    }

    .plan-item {
        padding: 18px 16px;
    }

    .action-btns button {
        font-size: var(--font-xs);
        height: 40px;
    }
}

/* ============ RESPONSIVE: Mobil (max 480px) ============ */
@media (max-width: 480px) {
    body {
        padding: 10px;
        padding-top: max(10px, env(safe-area-inset-top));
        padding-bottom: max(10px, env(safe-area-inset-bottom));
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
    }

    .container {
        max-width: 100%;
        gap: 14px;
    }

    .header-section {
        padding: 18px 14px;
        border-radius: var(--radius);
        top: 6px;
    }

    h2 {
        font-size: 1.3rem;
        margin-bottom: 16px;
    }

    h2::after {
        width: 30px;
        height: 3px;
        margin-top: 8px;
    }

    input {
        padding: 13px 14px;
        font-size: var(--font-base);
        border-radius: var(--radius-sm);
    }

    input[type="date"] {
        min-height: 46px;
    }

    .plan-item {
        padding: 16px 12px;
        border-radius: var(--radius);
        margin-bottom: 14px;
    }

    .plan-item b {
        font-size: var(--font-base);
    }

    .date-info {
        font-size: 0.65rem;
        padding: 5px 10px;
    }

    .photo-container {
        border-radius: var(--radius-sm);
        border-width: 2px;
    }

    .comment-section {
        padding: 10px;
        border-radius: var(--radius-sm);
    }

    .comment-list {
        max-height: 220px;
        gap: 6px;
    }

    .bubble {
        max-width: 92%;
        font-size: var(--font-sm);
        padding: 8px 12px;
        border-radius: var(--radius-sm);
    }

    .nick-selector {
        gap: 14px;
    }

    .n-btn {
        width: 40px;
        height: 40px;
        font-size: var(--font-base);
    }

    .send-box {
        gap: 8px;
    }

    .send-box input {
        padding: 11px 12px;
        font-size: var(--font-sm);
        border-radius: var(--radius-sm);
    }

    .send-box button {
        padding: 0 16px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .action-btns {
        gap: 6px;
        padding-top: 12px;
    }

    .action-btns button {
        font-size: 0.7rem;
        height: 38px;
        border-radius: var(--radius-xs);
        gap: 3px;
        min-width: 55px;
    }

    .add-btn,
    .update-btn,
    .cancel-btn {
        height: 46px;
        font-size: var(--font-sm);
        border-radius: var(--radius-sm);
    }

    .month-header {
        padding: 12px 16px;
        font-size: var(--font-sm);
        border-radius: var(--radius-sm);
        border-left-width: 5px;
    }

    .month-header span:last-child {
        width: 28px;
        height: 28px;
        font-size: 1.1rem;
    }

    .toast-msg {
        top: 15px;
        padding: 12px 22px;
        font-size: 0.75rem;
    }

    .confirm-box {
        padding: 24px 20px;
        border-radius: var(--radius);
    }
}

/* ============ RESPONSIVE: Küçük Mobil (max 360px) ============ */
@media (max-width: 360px) {
    body {
        padding: 6px;
        padding-top: max(6px, env(safe-area-inset-top));
    }

    .header-section {
        padding: 14px 10px;
    }

    h2 {
        font-size: 1.15rem;
    }

    .plan-item {
        padding: 12px 10px;
    }

    .input-group {
        gap: 8px;
    }

    input {
        padding: 11px 12px;
        font-size: var(--font-sm);
    }

    .action-btns button {
        font-size: 0.65rem;
        height: 34px;
        min-width: 45px;
    }

    .add-btn,
    .update-btn,
    .cancel-btn {
        height: 42px;
        font-size: 0.75rem;
    }

    .n-btn {
        width: 36px;
        height: 36px;
        font-size: var(--font-sm);
    }

    .send-box button {
        padding: 0 12px;
    }
}

/* ============ RESPONSIVE: Büyük Ekran (1024px+) ============ */
@media (min-width: 1024px) {
    .container {
        max-width: 620px;
    }

    .header-section {
        padding: 32px 28px;
    }

    h2 {
        font-size: 2rem;
    }

    .plan-item {
        padding: 24px 22px;
    }

    .plan-item b {
        font-size: var(--font-xl);
    }

    .bubble {
        font-size: var(--font-base);
    }

    .action-btns button {
        font-size: var(--font-sm);
        height: 44px;
    }
}


/* ============ MONTH GRID ============ */
.month-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.month-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 22px 18px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.4);
    position: relative;
    overflow: hidden;
    animation: cardSlideIn 0.5s ease both;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.month-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(108,92,231,0.3);
}

.month-card:active {
    transform: scale(0.95);
}

.month-card-icon {
    font-size: 2.5rem;
    transition: var(--bounce);
}

.month-card:hover .month-card-icon {
    transform: scale(1.2) rotate(-10deg);
}

.month-card-title {
    font-weight: 800;
    font-size: var(--font-lg);
    color: var(--text);
    letter-spacing: -0.3px;
}

.month-card-count {
    font-size: var(--font-sm);
    color: var(--primary);
    font-weight: 700;
    background: var(--primary-soft);
    padding: 5px 14px;
    border-radius: var(--radius-full);
}

.month-card-photos {
    font-size: var(--font-xs);
    color: var(--text-light);
    opacity: 0.7;
}

.month-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--success);
    color: white;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
    box-shadow: 0 3px 10px var(--success-glow);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ============ RESPONSIVE: AY GRID ============ */
@media (max-width: 400px) {
    .month-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .month-card {
        padding: 16px 12px;
        border-radius: var(--radius);
        gap: 5px;
    }
    
    .month-card-icon {
        font-size: 2rem;
    }
    
    .month-card-title {
        font-size: var(--font-base);
    }
    
    .month-card-count {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
}

@media (max-width: 340px) {
    .month-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .month-card {
        padding: 12px 8px;
    }
}

/* ============ FOTOĞRAF MODAL ============ */
#imageModal {
    cursor: pointer;
    padding: 20px;
}

#expandedImg {
    max-width: 92vw;
    max-height: 85vh;
    border-radius: 24px;
    border: 5px solid rgba(255, 255, 255, 0.9);
    box-shadow: 
        0 30px 70px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        0 0 80px rgba(108, 92, 231, 0.2);
    object-fit: contain;
    background: #f5f5f5;
    animation: imgPopSoft 0.45s cubic-bezier(0.17, 0.89, 0.32, 1.28);
}

@keyframes imgPopSoft {
    from { 
        transform: scale(0.8); 
        opacity: 0; 
        border-radius: 50%;
    }
    to { 
        transform: scale(1); 
        opacity: 1; 
        border-radius: 24px;
    }
}

/* Modal arka plan yumuşatma */
#imageModal {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    background: rgba(0, 0, 0, 0.75);
}

/* Kapatma X butonu */
#imageModal span {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    cursor: pointer;
    z-index: 1001;
    transition: 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-weight: 300;
    line-height: 1;
}

#imageModal span:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

@keyframes imgPopIn {
    from { transform: scale(0.6); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}