/* ============================================
   GLOBAL
   ============================================ */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    font-family:
        Inter,
        Arial,
        sans-serif;

    background:
        linear-gradient(
            135deg,
            #0f1117,
            #171a24
        );

    color: #f1f1f5;
}

button,
input {
    font-family: inherit;
}

button {
    cursor: pointer;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}


/* ============================================
   TOP BAR
   ============================================ */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 24px;

    padding: 18px 6%;

    background: #151821;

    border-bottom: 1px solid #292d39;

    position: sticky;
    top: 0;
    z-index: 20;
}

.logo {
    display: flex;
    align-items: center;

    gap: 9px;

    font-size: 21px;
    font-weight: 800;
}

.logo-icon {
    font-size: 25px;
}

.stats {
    display: flex;
    align-items: center;

    gap: 22px;
}

.stat {
    display: flex;
    align-items: center;

    gap: 6px;
}

.stat span {
    font-size: 18px;
}

.stat strong {
    font-size: 17px;
}

.stat small {
    color: #8d91a0;
}


/* ============================================
   MAIN
   ============================================ */

main {
    width: min(850px, 92%);
    margin: 35px auto 60px;

    display: flex;
    flex-direction: column;

    gap: 24px;
}


/* ============================================
   BUTTONS
   ============================================ */

.primary-button,
.secondary-button {
    border: none;

    border-radius: 10px;

    padding: 12px 18px;

    font-size: 15px;
    font-weight: 700;

    transition:
        transform 0.15s ease,
        box-shadow 0.15s ease,
        opacity 0.15s ease;
}

.primary-button {
    background: #6c63ff;
    color: white;
}

.secondary-button {
    background: #292d39;
    color: #eeeeF3;
}

.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-1px);
}

.primary-button:active,
.secondary-button:active {
    transform: translateY(0);
}


/* ============================================
   TIMER
   ============================================ */

.timer-card {
    background: #181b25;

    border-radius: 22px;

    padding: 35px;

    text-align: center;

    box-shadow:
        0 10px 35px rgba(0, 0, 0, 0.25);
}

.duration-selector {
    display: flex;
    justify-content: center;
    align-items: center;

    gap: 10px;

    margin-bottom: 25px;
}

.duration-selector button {
    width: 38px;
    height: 38px;

    border: none;
    border-radius: 10px;

    background: #292d39;

    color: #f1f1f5;

    font-size: 22px;
}

#focus-duration {
    width: 80px;

    padding: 9px;

    text-align: center;

    border: 1px solid #353a48;

    border-radius: 9px;

    background: #11141c;

    color: #f1f1f5;

    font-size: 17px;

    outline: none;
}

#focus-duration:focus {
    border-color: #6c63ff;
}

.timer-container {
    display: flex;
    justify-content: center;

    margin-bottom: 25px;
}

.timer-ring {
    width: 270px;
    height: 270px;

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    background:
        linear-gradient(
            135deg,
            #6c63ff,
            #8b83ff
        );

    box-shadow:
        0 15px 40px rgba(108, 99, 255, 0.22);
}

.timer-content {
    width: 230px;
    height: 230px;

    border-radius: 50%;

    background: #181b25;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;
}

#timer {
    font-size: 48px;
    font-weight: 800;
}

#timer-label {
    margin: 8px 0 0;

    color: #8d91a0;
}

.timer-controls {
    display: flex;
    justify-content: center;

    gap: 12px;
}

.session-info {
    margin-top: 22px;

    color: #8d91a0;
}


/* ============================================
   PANELS
   ============================================ */

.panel {
    background: #181b25;

    border-radius: 18px;

    padding: 26px;

    box-shadow:
        0 8px 28px rgba(0, 0, 0, 0.2);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 20px;
}

.panel-header h2 {
    margin: 0 0 5px;
}

.panel-header p {
    margin: 0;

    color: #8d91a0;
}

.task-count {
    font-weight: 700;

    color: #8b83ff;
}


/* ============================================
   TASKS
   ============================================ */

.task-input {
    display: flex;

    gap: 10px;
}

.task-input input {
    flex: 1;

    padding: 13px 15px;

    border: 1px solid #353a48;

    border-radius: 10px;

    background: #11141c;

    color: #f1f1f5;

    outline: none;
}

.task-input input::placeholder {
    color: #737887;
}

.task-input input:focus {
    border-color: #6c63ff;
}

.task-input button {
    width: 46px;

    border: none;

    border-radius: 10px;

    background: #6c63ff;

    color: white;

    font-size: 22px;
}

.task-list {
    display: flex;
    flex-direction: column;

    gap: 10px;

    margin-top: 18px;
}

.task-item {
    display: flex;
    align-items: center;

    gap: 12px;

    padding: 12px;

    border-radius: 10px;

    background: #20232e;
}

.task-item span {
    flex: 1;
}

.task-item.completed span {
    text-decoration: line-through;

    color: #686d7b;
}

.task-checkbox,
.task-delete {
    border: none;

    background: transparent;

    color: #f1f1f5;
}

.task-checkbox {
    width: 25px;
    height: 25px;

    border-radius: 7px;

    border: 1px solid #454a58;
}

.task-delete {
    font-size: 20px;

    color: #777c8a;
}


/* ============================================
   SOUNDS
   ============================================ */

.sound-carousel {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 25px;
}

.carousel-button {
    width: 42px;
    height: 42px;

    border: none;

    border-radius: 50%;

    background: #292d39;

    color: #f1f1f5;

    font-size: 28px;
}

.sound-card {
    width: 230px;

    padding: 25px;

    text-align: center;

    border-radius: 16px;

    background: #20232e;
}

.sound-emoji {
    font-size: 42px;
}

.sound-card h3 {
    margin: 10px 0 16px;
}

.sound-button {
    border: none;

    border-radius: 9px;

    padding: 10px 18px;

    background: #6c63ff;

    color: white;

    font-weight: 700;
}

.sound-dots {
    display: flex;
    justify-content: center;

    gap: 7px;

    margin-top: 18px;
}

.sound-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #454a58;
}

.sound-dot.active {
    background: #6c63ff;
}


/* ============================================
   XP
   ============================================ */

.xp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.xp-header h2 {
    margin: 0 0 5px;
}

.xp-header p {
    margin: 0;

    color: #8d91a0;
}

.xp-bar {
    height: 12px;

    margin-top: 18px;

    border-radius: 999px;

    background: #292d39;

    overflow: hidden;
}

.xp-fill {
    width: 0%;
    height: 100%;

    border-radius: inherit;

    background: #6c63ff;

    transition: width 0.3s ease;
}


/* ============================================
   NOTIFICATION
   ============================================ */

.notification {
    position: fixed;

    left: 50%;
    bottom: 25px;

    transform:
        translate(-50%, 20px);

    opacity: 0;

    pointer-events: none;

    padding: 13px 20px;

    border-radius: 10px;

    background: #292d39;
    color: #f1f1f5;

    transition:
        opacity 0.25s ease,
        transform 0.25s ease;

    z-index: 100;
}

.notification.show {
    opacity: 1;

    transform:
        translate(-50%, 0);
}


/* ============================================
   RESET MODAL
   ============================================ */

.reset-modal {
    display: none;

    position: fixed;

    inset: 0;

    z-index: 90;

    align-items: center;
    justify-content: center;

    padding: 20px;

    background: rgba(0, 0, 0, 0.65);
}

.reset-modal.show {
    display: flex;
}

.reset-modal-card {
    width: min(420px, 90vw);

    padding: 30px;

    border-radius: 18px;

    background: #181b25;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5);

    text-align: center;
}

.reset-modal-card p {
    line-height: 1.5;
}

.reset-modal-buttons {
    display: flex;

    gap: 12px;

    margin-top: 24px;
}

.reset-modal-buttons button {
    flex: 1;
}


/* ============================================
   AUTH MODAL
   ============================================ */

.auth-modal {
    display: none;

    position: fixed;

    inset: 0;

    z-index: 100;

    align-items: center;
    justify-content: center;

    padding: 20px;

    background: rgba(0, 0, 0, 0.65);

    backdrop-filter: blur(5px);
}

.auth-modal.show {
    display: flex;
}

.auth-card {
    position: relative;

    width: min(410px, 92vw);

    padding: 42px;

    border-radius: 22px;

    background: #181b25;

    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.55);
}

.auth-close {
    position: absolute;

    top: 16px;
    right: 18px;

    width: 34px;
    height: 34px;

    border: none;

    border-radius: 50%;

    background: #292d39;

    color: #aaaeba;

    font-size: 24px;

    line-height: 1;
}

.auth-heading {
    text-align: center;

    margin-bottom: 30px;
}

.auth-icon {
    font-size: 38px;

    margin-bottom: 10px;
}

.auth-heading h2 {
    margin: 0 0 10px;

    font-size: 27px;
}

.auth-heading p {
    margin: 0;

    color: #8d91a0;

    line-height: 1.5;
}


/* Auth inputs */

#auth-form {
    display: flex;

    flex-direction: column;

    gap: 15px;
}

#auth-form input {
    width: 100%;

    padding: 15px 16px;

    border: 1px solid #353a48;

    border-radius: 11px;

    background: #11141c;

    color: #f1f1f5;

    font-size: 15px;

    outline: none;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

#auth-form input::placeholder {
    color: #737887;
}

#auth-form input:focus {
    background: #151821;

    border-color: #6c63ff;

    box-shadow:
        0 0 0 4px rgba(108, 99, 255, 0.15);
}

#auth-form button {
    width: 100%;

    margin-top: 4px;
}


/* Switch */

.auth-switch {
    display: flex;

    justify-content: center;
    align-items: center;

    gap: 5px;

    margin-top: 25px;

    font-size: 14px;

    color: #8d91a0;
}

#auth-switch-button {
    border: none;

    padding: 0;

    background: none;

    color: #8b83ff;

    font-size: inherit;
    font-weight: 700;

    cursor: pointer;
}

#auth-switch-button:hover {
    text-decoration: underline;
}


/* Logged-in */

#logged-in-area {
    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 14px;

    text-align: center;
}

#logged-in-area p {
    margin: 0;

    color: #8d91a0;
}

#logged-in-area strong {
    max-width: 100%;

    overflow-wrap: anywhere;

    font-size: 15px;
}

#logged-in-area button {
    width: 100%;

    margin-top: 10px;
}


/* ============================================
   MOBILE
   ============================================ */

@media (max-width: 650px) {

    .topbar {
        padding: 15px 4%;

        flex-wrap: wrap;
    }

    .stats {
        order: 3;

        width: 100%;

        justify-content: center;
    }

    .timer-card {
        padding: 25px 18px;
    }

    .timer-ring {
        width: 230px;
        height: 230px;
    }

    .timer-content {
        width: 195px;
        height: 195px;
    }

    #timer {
        font-size: 40px;
    }

    .auth-card {
        padding: 35px 25px;
    }

}