/* ========================================
   LITRIUMFLOW - GLOBAL STYLES
   Sistema de Design e Variáveis Globais
   ======================================== */

/* ========================================
   1. RESET E CONFIGURAÇÕES BASE
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
    width: 100%;
    overflow: auto;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    overflow: auto;
    max-width: 100vw;
}

/* ========================================
   2. VARIÁVEIS CSS - TEMA ESCURO (Padrão Único)
   ======================================== */

:root {
    /* Cores Principais da Marca - Litrium */
    --color-primary: #F7811C;
    --color-primary-hover: #FFA04D;
    --color-primary-light: #FFA04D;
    --color-primary-dark: #E67010;

    /* Cores Base */
    --color-white: #FFFFFF;
    --color-black: #000000;

    /* Tema Escuro - Backgrounds */
    --bg-primary: #202020;
    --bg-secondary: #25262B;
    --bg-tertiary: #2C2E33;
    --bg-panel: #25262B;
    --bg-input: #2C2E33;
    --bg-hover: #2C2E33;

    /* Tema Escuro - Textos */
    --text-primary: #FFFFFF;
    --text-secondary: #C1C2C5;
    --text-tertiary: #909296;
    --text-light: #5C5F66;
    --text-on-primary: #000000;

    /* Tema Escuro - Bordas */
    --border-color: #373A40;
    --border-color-light: #2C2E33;
    --border-color-dark: #424449;

    /* Tema Escuro - Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.8);

    /* Estados - Tema Escuro */
    --color-success: #51CF66;
    --color-success-light: #2B3D2F;
    --color-error: #FF6B6B;
    --color-error-light: #3D2B2B;
    --color-warning: #FCC419;
    --color-warning-light: #3D3A2B;
    --color-info: #339AF0;
    --color-info-light: #2B3540;

    /* Espaçamentos */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   4. TIPOGRAFIA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* ========================================
   5. BOTÕES GLOBAIS
   ======================================== */

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-on-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ========================================
   6. FORMULÁRIOS GLOBAIS
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-group label i {
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(247, 129, 28, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--color-error);
}

/* ========================================
   7. ALERTAS E NOTIFICAÇÕES
   ======================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.alert i {
    font-size: 1.25rem;
}

.alert-error {
    background-color: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info);
}

/* ========================================
   8. UTILIDADES
   ======================================== */

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Flex */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Text Align */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

/* Spacing */
.mt-1 { margin-top: var(--spacing-sm) !important; }
.mt-2 { margin-top: var(--spacing-md) !important; }
.mt-3 { margin-top: var(--spacing-lg) !important; }
.mb-1 { margin-bottom: var(--spacing-sm) !important; }
.mb-2 { margin-bottom: var(--spacing-md) !important; }
.mb-3 { margin-bottom: var(--spacing-lg) !important; }

/* ========================================
   9. ANIMAÇÕES
   ======================================== */

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

/* ========================================
   10. SCROLLBAR CUSTOMIZADA
   ======================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color-dark);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ========================================
   11. ALIASES SIMPLIFICADOS (para dashboard.css)
   ======================================== */

:root {
    /* Aliases para background - Tema Escuro */
    --background: #202020;
    --surface: #25262B;
    --hover: #2C2E33;

    /* Aliases para cores */
    --primary: var(--color-primary);
    --danger: var(--color-error);
    --success: var(--color-success);
    --warning: var(--color-warning);

    /* Aliases para bordas */
    --border: var(--border-color);

    /* Filtro para logo - sempre branco (tema escuro) */
    --logo-filter: brightness(0) invert(1);
}

/* ========================================
   12. RESPONSIVIDADE
   ======================================== */

/* Tablets e telas menores */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
}

/* Mobile landscape e tablets pequenos */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }

    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .form-group {
        margin-bottom: var(--spacing-md);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 16px; /* Previne zoom no iOS */
    }

    /* Classes utilitárias responsivas */
    .hide-mobile { display: none !important; }
    .show-mobile { display: block !important; }
    .show-mobile-flex { display: flex !important; }
}

/* Mobile portrait */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.35rem; }
    h3 { font-size: 1.2rem; }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: var(--spacing-md);
    }

    .alert {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Utilitários para esconder/mostrar em desktop */
@media (min-width: 769px) {
    .hide-desktop { display: none !important; }
    .show-desktop { display: block !important; }
    .show-desktop-flex { display: flex !important; }
}

/* Container responsivo */
.container-responsive {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container-responsive {
        padding: 0 var(--spacing-sm);
    }
}

/* Grid responsivo */
.grid-responsive {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 769px) {
    .grid-responsive-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-responsive-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-responsive-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .grid-responsive-2,
    .grid-responsive-3,
    .grid-responsive-4 {
        grid-template-columns: 1fr;
    }
}

/* Flex wrap responsivo */
.flex-responsive {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .flex-responsive {
        flex-direction: column;
    }
}

/* Texto truncado */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Safe area para dispositivos com notch */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
}