/* ================================
   🎨 Sami Theme (Dark/Blue) — Full Screen, Responsive, Professional
================================ */
:root {
    --primary: #0077b6;
    --primary-dark: #023e8a;
    --accent: #00b4d8;
    --accent-light: #90e0ef;
    --secondary: #adb5bd;
    --danger: #ef476f;
    --success: #06d6a0;
    --bg: #0d1b2a;
    --card-bg: #1b263b;
    --text: #e0f7fa;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(3, 10, 20, 0.55);
    --transition: all 0.25s ease;
    --footer-bg: #0d1b2a;
    --muted: rgba(235, 245, 255, 0.55);
}

/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: var(--transition);
}

html,
body {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Roboto, system-ui, -apple-system, "Helvetica Neue", Arial;
    background: linear-gradient(180deg, #08121a 0%, var(--bg) 100%);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.5;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 180, 216, 0.3);
    border-radius: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

/* Navbar */
.navbar {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary));
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom-left-radius: var(--radius);
    border-bottom-right-radius: var(--radius);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar h1 {
    font-size: 1.2rem;
    display: flex;
    gap: .6rem;
    align-items: center;
    color: #fff;
}

.navbar nav button {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #fff;
    padding: .45rem .85rem;
    border-radius: 12px;
    cursor: pointer;
}

.navbar nav button:hover {
    background: #fff;
    color: var(--primary-dark);
}

/* Grid layout - full screen */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
    padding: 1.5rem;
    max-width: 1600px;
    width: 100%;
    margin: 1rem auto;
    flex: 1;
    /* make grid stretch to fill remaining screen */
}

/* Card */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: .8rem;
    min-height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 50px rgba(3, 10, 20, 0.75);
}

.card h2 {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: var(--accent-light);
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(0, 180, 216, 0.08);
    padding-bottom: .5rem;
}

/* Inputs & buttons */
.input-row,
.filter-row {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    align-items: center;
}

input,
select,
textarea {
    background: #162433;
    color: var(--text);
    border: 1px solid rgba(144, 224, 239, 0.07);
    padding: .6rem .8rem;
    border-radius: 12px;
    outline: none;
    font-size: .95rem;
}

input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 6px 18px rgba(0, 180, 216, 0.1);
    border-color: var(--accent-light);
}

button {
    border: none;
    cursor: pointer;
    padding: .55rem 1rem;
    border-radius: 12px;
    font-weight: 600;
}

button.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

button.success {
    background: var(--success);
    color: #063;
}

button.danger {
    background: var(--danger);
    color: #fff;
}

/* Expense list */
#expenseList {
    list-style: none;
    max-height: 350px;
    overflow: auto;
    padding-right: 6px;
    margin-top: .8rem;
}

.expense-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .65rem .8rem;
    margin-bottom: .6rem;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(0, 0, 0, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.02);
}

/* Timer */
.timer-display {
    text-align: center;
    margin: 1rem 0;
}

#timerDisplay {
    font-family: "Courier New", monospace;
    font-size: 1.7rem;
}

.timer-buttons {
    display: flex;
    justify-content: center;
    gap: .6rem;
    margin-bottom: .5rem;
}

.progress-container {
    margin-top: .8rem;
}

.progress {
    height: 14px;
    background: #0f2233;
    border-radius: 12px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-light), var(--accent));
    transition: width .5s ease;
}

/* Notes Section */
#dailyNote {
    width: 100%;
    min-height: 120px;
    resize: vertical;
    background: #122233;
    color: var(--text);
    border-radius: 12px;
    padding: .7rem;
    font-size: .95rem;
    border: 1px solid rgba(144, 224, 239, 0.05);
}

#notesList {
    list-style: none;
    padding: .4rem 0;
    max-height: 300px;
    overflow: auto;
}

#notesList li {
    position: relative;
    padding: 1rem;
    border-radius: 14px;
    margin-bottom: 0.8rem;
    background: linear-gradient(180deg, rgba(0, 119, 182, 0.04), rgba(0, 0, 0, 0.02));
    border-left: 4px solid rgba(0, 180, 216, 0.25);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
}

#notesList li:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.note-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--muted);
    margin-bottom: 0.4rem;
}

.note-category {
    font-weight: 700;
    color: var(--accent-light);
}

.note-text {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 0.6rem;
}

.note-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Edit & Delete buttons */
.note-buttons button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.35rem 0.6rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
}

/* Edit button */
.note-buttons button.edit {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

.note-buttons button.edit:hover {
    background: linear-gradient(135deg, var(--accent), var(--primary));
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(0, 180, 216, 0.3);
}

/* Delete button */
.note-buttons button.delete {
    background: rgba(239, 71, 111, 0.15);
    color: var(--danger);
}

.note-buttons button.delete:hover {
    background: rgba(239, 71, 111, 0.3);
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(239, 71, 111, 0.25);
}

/* Charts */
canvas {
    width: 100% !important;
    height: 240px !important;
    border-radius: 12px;
    background: rgba(10, 18, 26, 0.25);
    padding: .5rem;
}

/* Weekly Summary small stats */
.week-summary p {
    margin: .35rem 0;
    color: var(--muted);
    font-size: .95rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem;
    color: var(--muted);
    background: transparent;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: .6rem 1rem;
    border-radius: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
    z-index: 999;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}

/* Responsive tweaks */
@media (max-width: 880px) {
    .grid-layout {
        padding: 1rem;
        gap: 1rem;
    }

    canvas {
        height: 200px !important;
    }
}

@media (max-width: 520px) {
    .navbar h1 {
        font-size: 1rem;
    }

    .card {
        padding: 1rem;
    }

    #dailyNote {
        min-height: 90px;
    }

    .note-buttons {
        justify-content: flex-end;
    }
}