/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --tomato:       #E8675A;
    --tomato-light: #F47B6E;
    --tomato-pale:  #FFD5CF;
    --tomato-blush: #FFF0EE;
    --tomato-dark:  #C44B3F;
    --leaf:         #5C9B5A;
    --cream:        #FFF8F5;
    --cream-dark:   #FEEEE9;
    --text-main:    #7A3F35;
    --text-soft:    #C47A6E;
    --text-muted:   #DBA89F;
    --shadow-warm:  rgba(232, 103, 90, 0.22);
    --radius-card:  52px;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    background: linear-gradient(155deg, #FFF2EC 0%, #FFE4DA 50%, #FFD5CF 100%);
    font-family: 'Nunito', system-ui, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
}

/* ===== BACKGROUND FLOATING TOMATOES ===== */
.bg-deco {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.float-toma {
    position: absolute;
    animation: floatBob linear infinite;
}

.t1 { width: 90px; top: 5%;  left: 4%;  animation-duration: 9s;  animation-delay: 0s; }
.t2 { width: 60px; top: 70%; left: 8%;  animation-duration: 12s; animation-delay: -4s; }
.t3 { width: 75px; top: 15%; right: 6%; animation-duration: 10s; animation-delay: -2s; }
.t4 { width: 50px; top: 80%; right: 5%; animation-duration: 8s;  animation-delay: -6s; }

@keyframes floatBob {
    0%   { transform: translateY(0px) rotate(-4deg); }
    33%  { transform: translateY(-18px) rotate(2deg); }
    66%  { transform: translateY(-8px) rotate(-2deg); }
    100% { transform: translateY(0px) rotate(-4deg); }
}

/* ===== CARD ===== */
.timer-card {
    position: relative;
    z-index: 1;
    max-width: 480px;
    width: 100%;
    background: rgba(255, 252, 250, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-card);
    padding: 32px 28px 36px;
    box-shadow:
        0 30px 60px var(--shadow-warm),
        0 8px 20px rgba(0,0,0,0.04),
        inset 0 1px 0 rgba(255,255,255,0.9);
    text-align: center;
    border: 1.5px solid rgba(255, 230, 220, 0.7);
    animation: cardIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

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

/* ===== HEADER ===== */
.app-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.header-tomato {
    width: 46px;
    height: 46px;
    filter: drop-shadow(0 3px 6px rgba(232,103,90,0.3));
    animation: tomatoWiggle 4s ease-in-out infinite;
}

.header-tomato.small {
    width: 32px;
    height: 32px;
    animation-delay: -2s;
}

@keyframes tomatoWiggle {
    0%, 100% { transform: rotate(-5deg) scale(1); }
    50%       { transform: rotate(5deg) scale(1.06); }
}

h1 {
    font-family: 'Caveat', cursive;
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--tomato);
    letter-spacing: 1px;
    line-height: 1;
    text-shadow: 2px 2px 0px var(--tomato-pale);
}

/* ===== MODE SWITCH ===== */
.mode-switch {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.mode-btn {
    font-family: 'Caveat', cursive;
    font-size: 1.15rem;
    font-weight: 600;
    background: var(--cream-dark);
    border: 1.5px solid transparent;
    padding: 6px 20px;
    border-radius: 50px;
    color: var(--text-soft);
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.mode-btn:hover {
    background: var(--tomato-pale);
    color: var(--tomato-dark);
    transform: translateY(-1px);
}

.mode-btn.active {
    background: var(--tomato);
    color: white;
    border-color: var(--tomato-dark);
    box-shadow: 0 4px 12px var(--shadow-warm), 0 2px 0 var(--tomato-dark);
    transform: translateY(-1px);
}

/* ===== TIMER CIRCLE ===== */
.timer-circle-wrap {
    position: relative;
    width: 240px;
    height: 240px;
    margin: 0 auto 24px;
}

.ring-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--tomato-pale);
    stroke-width: 10;
}

.ring-fill {
    fill: none;
    stroke: var(--tomato);
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.9s linear;
    filter: drop-shadow(0 0 4px rgba(232,103,90,0.4));
}

.timer-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at 40% 35%, #FFFFFF 0%, #FFF5F3 70%, #FFE8E4 100%);
    border-radius: 50%;
    box-shadow:
        inset 0 2px 8px rgba(255,255,255,0.9),
        inset 0 -4px 12px rgba(232,103,90,0.1);
}

.time-display {
    font-family: 'Caveat', cursive;
    font-size: 4rem;
    font-weight: 700;
    color: var(--tomato-dark);
    letter-spacing: 2px;
    line-height: 1;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.session-label {
    font-family: 'Caveat', cursive;
    font-size: 1.05rem;
    color: var(--text-soft);
    background: var(--cream-dark);
    padding: 4px 14px;
    border-radius: 40px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Pulse when running */
.timer-circle-wrap.running .timer-inner {
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: inset 0 2px 8px rgba(255,255,255,0.9), inset 0 -4px 12px rgba(232,103,90,0.1), 0 0 0 0 rgba(232,103,90,0); }
    50%       { box-shadow: inset 0 2px 8px rgba(255,255,255,0.9), inset 0 -4px 12px rgba(232,103,90,0.1), 0 0 0 8px rgba(232,103,90,0.08); }
}

/* ===== CONTROLS ===== */
.controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.ctrl-btn {
    font-family: 'Caveat', cursive;
    font-size: 1.4rem;
    font-weight: 700;
    background: white;
    border: 1.5px solid var(--tomato-pale);
    padding: 10px 28px;
    border-radius: 50px;
    cursor: pointer;
    color: var(--tomato);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 5px 0 var(--tomato-pale), 0 6px 12px rgba(232,103,90,0.12);
    transform: translateY(-2px);
    transition: all 0.12s ease;
    letter-spacing: 0.3px;
}

.ctrl-btn:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 var(--tomato-pale), 0 2px 4px rgba(232,103,90,0.1);
}

.ctrl-btn:hover {
    background: var(--tomato-blush);
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-icon.hidden {
    display: none;
}

.reset-btn {
    background: var(--cream-dark);
    color: var(--text-soft);
    border-color: var(--tomato-pale);
    box-shadow: 0 5px 0 #F0C8C0, 0 6px 12px rgba(232,103,90,0.08);
}

.reset-btn:hover {
    background: var(--tomato-pale);
    color: var(--tomato-dark);
}

/* ===== CUTE MESSAGE ===== */
.cute-message {
    font-family: 'Caveat', cursive;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-soft);
    background: var(--cream-dark);
    display: inline-block;
    padding: 7px 20px;
    border-radius: 40px;
    letter-spacing: 0.3px;
    margin-bottom: 14px;
    transition: all 0.4s ease;
    position: relative;
    /* cute little tomato dot decoration */
}

.cute-message::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--tomato-light);
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
    box-shadow: 0 0 0 2px var(--tomato-pale);
}

/* ===== INSTALL HINT ===== */
.install-hint {
    font-family: 'Nunito', sans-serif;
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.7);
    border-radius: 40px;
    padding: 5px 14px;
    display: inline-block;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 14px;
    border: 1px dashed var(--tomato-pale);
}

.install-hint:hover {
    background: white;
    color: var(--text-soft);
    transform: scale(1.03);
}

footer {
    font-family: 'Nunito', sans-serif;
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .timer-card {
        padding: 24px 18px 28px;
        border-radius: 40px;
    }

    h1 { font-size: 2.2rem; }

    .timer-circle-wrap {
        width: 210px;
        height: 210px;
    }

    .time-display { font-size: 3.2rem; }

    .ctrl-btn {
        font-size: 1.2rem;
        padding: 8px 22px;
    }

    .mode-btn {
        font-size: 1rem;
        padding: 5px 14px;
    }

    .t1, .t2, .t3, .t4 {
        opacity: 0.6;
    }
}

/* ===== INSTALL PROMPT ===== */
#installStyles-injected { display: none; }

.install-prompt-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 1000;
    animation: slideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
    display: none;
}

@keyframes slideUp {
    from { transform: translateY(120%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

.install-prompt-card {
    background: white;
    border-radius: 28px;
    padding: 22px;
    box-shadow: 0 20px 50px rgba(232,103,90,0.25);
    text-align: center;
    max-width: 380px;
    margin: 0 auto;
    border: 1.5px solid var(--tomato-pale);
}

.install-icon {
    margin-bottom: 10px;
}

.install-icon svg {
    width: 52px;
    height: 52px;
}

.install-prompt-card h3 {
    font-family: 'Caveat', cursive;
    font-size: 1.6rem;
    color: var(--tomato);
    margin-bottom: 8px;
}

.install-prompt-card p {
    font-family: 'Nunito', sans-serif;
    color: var(--text-soft);
    margin-bottom: 18px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.install-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.install-btn-primary {
    font-family: 'Caveat', cursive;
    font-size: 1.15rem;
    background: var(--tomato);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 0 var(--tomato-dark);
    transform: translateY(-2px);
}

.install-btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 var(--tomato-dark);
}

.install-btn-secondary {
    font-family: 'Nunito', sans-serif;
    background: var(--cream-dark);
    color: var(--text-muted);
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background 0.15s;
}

.install-btn-secondary:hover {
    background: var(--tomato-pale);
}

@media (min-width: 768px) {
    .install-prompt-container {
        bottom: 30px;
        right: 30px;
        left: auto;
        width: 360px;
    }
}

@media (max-width: 480px) {
    .install-buttons {
        flex-direction: column;
    }
    .install-btn-primary,
    .install-btn-secondary {
        width: 100%;
    }
}

/* ===== SUCCESS TOAST ===== */
.install-success-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--leaf);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    z-index: 2000;
    animation: slideDown 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
    box-shadow: 0 8px 20px rgba(92,155,90,0.3);
    font-family: 'Caveat', cursive;
    font-size: 1.15rem;
    font-weight: 600;
    white-space: nowrap;
}

@keyframes slideDown {
    from { transform: translate(-50%, -120%); opacity: 0; }
    to   { transform: translate(-50%, 0);     opacity: 1; }
}